2021 RAM 2500 3500 Owner's Manual
Year:
2021
Make:
RAM
Model:
2500 3500
Rating:
Table of Contents
INTRODUCTION
12
Symbols Key
12
Symbol Glossary
13
VEHICLE MODIFICATIONS/ALTERATIONS
12
VAN CONVERSIONS/CAMPERS
12
GETTING TO KNOW YOUR VEHICLE
18
KEYS
18
Key Fob
18
To Lock/Unlock The Doors And Tailgate
19
Replacing The Battery In The Key Fob
19
Programming And Requesting Additional Key Fobs
21
SENTRY KEY
21
IGNITION SWITCH
22
Keyless Enter-N-Go Ignition
22
REMOTE START — IF EQUIPPED (GASOLINE)
23
How To Use Remote Start
24
To Exit Remote Start Mode
25
Remote Start Front Defrost Activation — If Equipped
25
Remote Start Comfort Systems — If Equipped
25
Remote Start Abort Message
26
REMOTE START— IF EQUIPPED (DIESEL)
26
How To Use Remote Start
26
VEHICLE SECURITY SYSTEM — IF EQUIPPED
27
To Arm The System
27
To Disarm The System
28
Rearming Of The System
28
Security System Manual Override
28
DOORS
28
Manual Door Locks
28
Power Door Locks — If Equipped
29
Power Side Steps — If Equipped
30
Keyless Enter-N-Go — Passive Entry (If Equipped)
30
Automatic Unlock Doors On Exit — If Equipped
32
Automatic Door Locks — If Equipped
32
Child-Protection Door Lock
32
STEERING WHEEL
33
Tilt Steering Column
33
Heated Steering Wheel — If Equipped
34
UCONNECT VOICE RECOGNITION
34
Introducing Voice Recognition
34
Basic Voice Commands
35
Get Started
35
Additional Information
36
DRIVER MEMORY SETTINGS — IF EQUIPPED
36
Programming The Memory Feature
36
Linking And Unlinking The Remote Keyless Entry Key Fob To Memory
37
Memory Position Recall
37
SEATS
37
Manual Front Seat Adjustment
38
Manual Front Seat Forward/Rearward Adjustment
38
Manual Front Seat Recline Adjustment
38
40-20-40 Front Bench Seat — If Equipped
39
Manual Rear Seat Adjustment
39
Reclining Rear Seats — If Equipped
39
Power Driver Seat Adjustment — If Equipped
39
Adjusting The Seat Forward Or Rearward
39
Adjusting The Seat Up Or Down
39
Tilting The Seat Up Or Down
40
Reclining The Seatback
40
Power Lumbar — If Equipped
40
Easy Entry/Exit Seat
40
Heated Seats — If Equipped
41
Front Heated Seats
41
Rear Heated Seats
41
Ventilated Seats — If Equipped
42
Front Ventilated Seats
42
Head Restraints
42
Front Head Restraints
43
Front Head Restraint Removal
43
Rear Head Restraint Adjustment
44
Rear Head Restraint Removal
44
DRIVER ADJUSTABLE PEDALS — IF EQUIPPED
45
MIRRORS
45
Inside Rearview Mirror
45
Manual Mirror — If Equipped
45
Automatic Dimming Mirror — If Equipped
46
Digital Rearview Mirror — If Equipped
46
Illuminated Vanity Mirror — If Equipped
47
“Slide-On-Rod” Features Of Sun Visor — If Equipped
47
Outside Mirrors
47
Outside Mirrors Folding Feature
48
Driver's Outside Automatic Dimming Mirror — If Equipped
48
Power Mirrors — If Equipped
48
Power Folding Outside Mirrors For Standard And Trailer Tow — If Equipped
48
Power Convex Mirror Switch — If Equipped
49
Trailer Towing Mirrors — If Equipped
50
Heated Mirrors — If Equipped
50
Tilt Side Mirrors In Reverse — If Equipped
50
UNIVERSAL GARAGE DOOR OPENER (HOMELINK®) — IF EQUIPPED
50
Before You Begin Programming HomeLink®
51
Erasing All The HomeLink® Channels
51
Identifying Whether You Have A Rolling Code Or Non-Rolling Code Device
51
Programming HomeLink® To A Garage Door Opener
52
Programming HomeLink® To A Miscellaneous Device
53
Reprogramming A Single HomeLink® Button
53
Canadian/Gate Operator Programming
53
EXTERIOR LIGHTS
54
Headlight Switch
54
Multifunction Lever
55
Daytime Running Lights (DRLs) — If Equipped
55
High/Low Beam Switch
55
Automatic High Beam Headlamp Control — If Equipped
55
Flash-To-Pass
56
Automatic Headlights — If Equipped
56
Directional LED Headlamp System — If Equipped
56
Parking Lights And Panel Lights
56
Automatic Headlights With Wipers
56
Headlight Delay
57
Lights-On Reminder
57
Front Fog Lights — If Equipped
57
Turn Signals
57
Lane Change Assist — If Equipped
57
Cargo Lights/Trailer Spotter Lights With Bed Lights — If Equipped
57
Battery Saver
58
INTERIOR LIGHTS
58
Courtesy Lights
58
Courtesy/Reading Lights
58
Dimmer Control
59
Illuminated Entry
59
WINDSHIELD WIPERS AND WASHERS
60
Windshield Wiper Operation
60
Rain Sensing Wipers — If Equipped
61
CLIMATE CONTROLS
61
Automatic Climate Control Descriptions And Functions
62
MAX A/C Button
62
A/C Button
62
Recirculation Button
62
Auto Button
63
Front Defrost Button
63
Rear Defrost Button
63
Driver And Passenger Temperature Up And Down Buttons
63
SYNC Button
64
Blower Control
64
Mode Control
64
Panel Mode
64
Bi-Level Mode
64
Floor Mode
65
Mix Mode
65
Climate Control OFF Button
65
Manual Climate Control Descriptions And Functions
65
MAX A/C Setting
65
A/C Button
65
Recirculation Button
65
Front Defrost Setting
66
Rear Defrost Button
66
Temperature Control
66
Blower Control
66
Mode Control
66
Panel Mode
67
Bi-Level Mode
67
Floor Mode
67
Mix Mode
67
Automatic Temperature Control (ATC)
67
Automatic Operation
67
Manual Operation Override
68
Climate Voice Recognition
68
Operating Tips
68
Summer Operation
68
Winter Operation
68
Vacation/Storage
68
Window Fogging
68
Outside Air Intake
68
Cabin Air Filter
68
Stop/Start System — If Equipped
68
Windshield Wiper De-Icer — If Equipped
69
Operating Tips Chart
69
INTERIOR STORAGE AND EQUIPMENT
70
Storage
70
Glove Compartment
70
Door Storage
70
Center Storage Compartment — If Equipped
70
Overhead Sunglass Storage
72
Front Bench Seat Storage — If Equipped
72
Seatback Storage — If Equipped
73
Second Row In-Floor Storage Bin — If Equipped
73
Storage Bin (Regular Cab)
74
Fold Flat Load Floor — If Equipped
74
Below Rear Seat Storage (Crew Cab)
75
USB/AUX Control
76
Electrical Power Outlets
77
Power Inverter — If Equipped
79
Wireless Charging Pad — If Equipped
80
WINDOWS
81
Power Windows
81
Automatic Window Features
82
Reset Auto-Up
82
Window Lockout Switch
82
Power Sliding Rear Window — If Equipped
83
Manual Sliding Rear Window — If Equipped
83
Wind Buffeting
83
POWER SUNROOF — IF EQUIPPED
83
Single Pane Power Sunroof — If Equipped
83
Opening Sunroof
84
Pinch Protect Feature
84
Sunshade Operation
85
Ignition Off Operation
85
Sunroof Maintenance
85
HOOD
85
To Open The Hood
85
To Close The Hood
85
TAILGATE
86
Opening
86
Electronic Tailgate Release — If Equipped
86
Closing
86
Tailgate Removal
86
Disconnecting The Rear Camera And Remote Keyless Entry
87
Bed Step — If Equipped
88
PICKUP BOX
89
Cargo Camera — If Equipped
90
Turning Cargo Camera On Or Off — With Uconnect 4C/4C NAV
91
Bed Rail Tie-Down System — If Equipped
91
RAMBOX — IF EQUIPPED
92
Locking And Unlocking RamBox
92
RamBox Cargo Storage Bins
93
RamBox Safety Warning
95
RamBox Emergency Release Lever
95
Bed Divider — If Equipped
95
Divider Position
95
Storage Position
96
SLIDE-IN CAMPERS
97
Camper Applications
97
TRI-FOLD TONNEAU COVER — IF EQUIPPED
97
Tri-Fold Tonneau Cover Removal
97
Tri-Fold Tonneau Cover Installation
100
Tri-Fold Tonneau Cover Cleaning
102
GETTING TO KNOW YOUR INSTRUMENT PANEL
103
BASE / MIDLINE INSTRUMENT CLUSTER — GAS ENGINE
103
Base / Midline Instrument Cluster Descriptions — Gas Engine
104
PREMIUM INSTRUMENT CLUSTER — GAS ENGINE
106
Premium Instrument Cluster Descriptions — Gas Engine
107
BASE INSTRUMENT CLUSTER — DIESEL ENGINE
108
Base Instrument Cluster Descriptions — Diesel Engine
109
PREMIUM INSTRUMENT CLUSTER — DIESEL ENGINE
111
Premium Instrument Cluster Descriptions — Diesel Engine
112
INSTRUMENT CLUSTER DISPLAY
113
Instrument Cluster Display Controls
113
Oil Life Reset
114
Display Menu Items
115
Speedometer
115
Vehicle Info
115
Driver Assist — If Equipped
115
Fuel Economy
116
Trip A/Trip B
116
Trailer Tow
116
Audio
117
Messages
117
Screen Setup Menu Item
117
Commercial Settings — If Equipped
120
Diesel Messages And Warnings — 6.7L Cummins Diesel Engine
120
Diesel Particulate Filter (DPF) Messages
120
Cold Ambient Derate Mode Messages
121
Diesel Exhaust Fluid (DEF) Warning Messages
122
Diesel Exhaust Fluid (DEF) Fault Warning Messages
123
RAM Active Air System
124
Battery Saver On/Battery Saver Mode Message — Electrical Load Reduction Actions — If Equipped
124
WARNING LIGHTS AND MESSAGES
125
Red Warning Lights
125
Seat Belt Reminder Warning Light
125
Air Bag Warning Light
125
Brake Warning Light
126
Hood Open Warning Light
126
Vehicle Security Warning Light — If Equipped
127
Engine Coolant Temperature Warning Light
127
Battery Charge Warning Light
127
Oil Pressure Warning Light
127
Oil Temperature Warning Light
127
Electronic Throttle Control (ETC) Warning Light
127
Trailer Brake Disconnected Warning Light
128
Transmission Temperature Warning Light — If Equipped
128
Door Open Warning Light
128
Yellow Warning Lights
128
Adaptive Cruise Control (ACC) Fault Warning Light — If Equipped
128
Air Suspension Fault Warning Light — If Equipped
128
Engine Check/Malfunction Indicator Warning Light (MIL)
128
Electronic Stability Control (ESC) Active Warning Light — If Equipped
129
Electronic Stability Control (ESC) OFF Warning Light — If Equipped
129
LaneSense Warning Light — If Equipped
129
Service LaneSense Warning Light — If Equipped
130
Low Washer Fluid Warning Light
130
Low Fuel Warning Light
130
Low Coolant Level Warning Light
130
Loose Fuel Filler Cap Warning Light — If Equipped
130
Trailer Merge Assist Indicator Light — If Equipped
130
Tire Pressure Monitoring System (TPMS) Warning Light
130
Anti-Lock Brake System (ABS) Warning Light
131
Rear Axle Locker Fault Indicator Light — If Equipped
131
Service Forward Collision Warning (FCW) Light — If Equipped
132
Service 4WD Warning Light — If Equipped
132
Cruise Control Fault Warning Light
132
Sway Bar Fault Warning Light
132
Yellow Indicator Lights
132
Forward Collision Warning (FCW) Off Indicator Light — If Equipped
132
Air Suspension Payload Protection Indicator Light — If Equipped
132
TOW/HAUL Indicator Light
132
Cargo Light — If Equipped
132
Cold Ambient Derate Mode Indicator Light — If Equipped
132
Diesel Exhaust Brake Indicator Light — If Equipped
132
Sway Bar Indicator Light — If Equipped
132
Snowplow Mode Indicator Light — If Equipped
133
Air Suspension Alternate Trailer Height Indicator Light — If Equipped
133
Air Suspension Bed Lowering Mode Indicator Light — If Equipped
133
Air Suspension Ride Height Raising Indicator Light — If Equipped
133
Air Suspension Ride Height Lowering Indicator Light — If Equipped
133
Front And Rear Axle Lock Indicator Light
133
Rear Axle Lock Indicator Light
133
4WD Lock Indicator Light
133
4WD Low Indicator Light — If Equipped
133
4WD High Indicator Light — If Equipped
133
NEUTRAL Indicator Light — If Equipped
133
Low Diesel Exhaust Fluid (DEF) Indicator Light — If Equipped
134
Wait To Start Light — If Equipped
134
Water In Fuel Indicator Light — If Equipped
134
Green Indicator Lights
134
Adaptive Cruise Control (ACC) Set With Target Light — If Equipped
134
Adaptive Cruise Control (ACC) Set With No Target Detected Indicator Light — If Equipped
134
Automatic Diesel Exhaust Brake Indicator Light — If Equipped
134
ECO Mode Indicator Light — If Equipped
134
Park/Headlight On Indicator Light
134
LaneSense Indicator Light — If Equipped
134
Front Fog Indicator Light — If Equipped
134
Turn Signal Indicator Lights
134
Cruise Control Set Indicator Light — If Equipped
135
White Indicator Lights
135
Adaptive Cruise Control (ACC) Ready Light — If Equipped
135
Cruise Control Ready Indicator Light
135
Hill Descent Control (HDC) Indicator Light — If Equipped
135
LaneSense Indicator Light — If Equipped
135
Blue Indicator Lights
135
High Beam Indicator Light
135
ONBOARD DIAGNOSTIC SYSTEM — OBD II
135
Onboard Diagnostic System (OBD II) Cybersecurity
136
EMISSIONS INSPECTION AND MAINTENANCE PROGRAMS
136
STARTING AND OPERATING
138
STARTING THE ENGINE — GASOLINE ENGINE
138
Automatic Transmission
138
Tip Start Feature
138
Keyless Enter-N-Go — Ignition
139
Normal Starting Using ENGINE START/STOP Button
139
AutoPark — Rotary Shifter and Eight-Speed Transmission Only
140
If Engine Fails To Start
141
Cold Weather Operation (Below –22°F Or −30°C)
142
After Starting
142
STARTING THE ENGINE — DIESEL ENGINE
142
Automatic Transmission
142
Tip Start Feature
143
Keyless Enter-N-Go — Ignition
143
Normal Starting
143
Using The ENGINE START/STOP Button
143
To Turn Off The Engine Using ENGINE START/ STOP Button
143
ENGINE START/STOP Button Functions — With Driver’s Foot OFF The Brake Pedal (In PARK Or NEUTRAL Position)
144
Keyless Enter-N-Go Starting Procedure — Engine Manifold Air Temperature 0°F To 66°F (–18°C to 19°C)
144
Extreme Cold Weather
145
Normal Starting Procedure — Engine Manifold Air Temperature Above 66°F (19°C)
145
Starting Procedure — Engine Manifold Air Temperature 0°F To 66°F (–18°C to 19°C)
145
Starting Procedure — Engine Manifold Air Temperature Below 0°F (-18°C)
146
Starting Fluids
147
NORMAL OPERATION — DIESEL ENGINE
148
Cold Weather Precautions
149
Fuel Operating Range
149
Engine Oil Usage
150
Winter Front Cover Usage
150
Battery Blanket Usage
150
Engine Warm-Up
150
Engine Idling
151
Idle-Up Feature
151
Noise
152
Stopping The Engine
152
Idle Shutdown
153
Programmable Maximum Vehicle Speed
153
Operating Precautions
153
Avoid Overheating The Engine
153
Avoid Low Coolant Temperature Operation
153
Cooling System Tips
154
Do Not Operate The Engine With Low Oil Pressure
154
Do Not Operate The Engine With Failed Parts
154
ENGINE BLOCK HEATER — IF EQUIPPED
154
ENGINE BREAK-IN RECOMMENDATIONS — GASOLINE ENGINE
155
ENGINE BREAK-IN RECOMMENDATIONS — DIESEL ENGINE
155
PARKING BRAKE
156
DIESEL EXHAUST BRAKE — ENGINE BRAKING (IF EQUIPPED)
157
AUTOMATIC TRANSMISSION
158
Ignition Park Interlock
159
Brake/Transmission Shift Interlock (BTSI) System
159
Eight-Speed Automatic Transmission — If Equipped
159
Gear Ranges
160
Transmission Limp Home Mode
162
Electronic Range Select (ERS) Operation
163
When to Use TOW/HAUL Mode
164
Six-Speed Automatic Transmission — If Equipped
164
Gear Ranges
165
Transmission Limp Home Mode
167
Electronic Range Select (ERS) Operation
168
Overdrive Operation
169
When To Use TOW/HAUL Mode
169
Torque Converter Clutch
170
AUXILIARY SWITCHES — IF EQUIPPED
170
ACTIVE NOISE CANCELLATION
170
FOUR-WHEEL DRIVE OPERATION — IF EQUIPPED
170
Electronically Shifted Transfer Case (Eight Speed Transmission) — If Equipped
171
Shifting Procedure
173
2WD To 4WD HIGH
173
2WD Or 4WD HIGH To 4WD LOW
173
Electronically Shifted Transfer Case (Six Speed Transmission) — If Equipped
174
Shifting Procedure
176
2WD To 4WD HIGH
176
2WD Or 4WD HIGH To 4WD LOW
176
Manually Shifted Transfer Case — If Equipped
177
Shifting Procedure — Manually Shifted Transfer Case
178
2H To 4H
178
2H Or 4H To 4L
179
Transfer Case Position Indicator Light
179
AIR SUSPENSION SYSTEM — IF EQUIPPED
179
Description
179
Air Suspension Modes
180
Instrument Cluster Display Messages
180
Operation
181
AXLE LOCKER SYSTEM — POWER WAGON MODELS ONLY (IF EQUIPPED)
181
STABILIZER/SWAY BAR SYSTEM — POWER WAGON ONLY
182
SAFE OFF-ROAD DRIVING — POWER WAGON ONLY
184
Off-Road Driving Tips And Vehicle Characteristics
184
Skid Plates And Underbody Protection
184
Ramp Travel Index (RTI)
184
Water Fording Characteristics
184
Simultaneous Brake And Throttle Operation
184
The Basics Of Off-Road Driving
184
When To Use Low Range
185
Driving In Snow, Mud And Sand
185
Crossing Obstacles (Rocks And Other High Points)
186
Using A Spotter
186
Crossing Large Rocks
186
Crossing A Ravine, Gully, Ditch, Washout Or Rut
186
Crossing Logs
187
Getting High Centered
187
Hill Climbing
187
Driving Through Water
189
Airing Down For Off-Road Driving
190
Vehicle Recovery
190
After Driving Off-Road
192
LIMITED-SLIP DIFFERENTIAL
193
WINCH USAGE — POWER WAGON ONLY (IF EQUIPPED)
193
Things To Know Before Using Your Winch
193
General Winch Information
193
Tensioning The Winch Rope
194
Low Voltage Interrupt
194
Understanding The Features Of Your Winch
194
Winch Accessories
195
Operating Your Winch
195
General Information
196
Vehicle Recovery Using The Winch
196
Rigging Techniques
201
How To Change The Pulling Direction
201
Increasing Pulling Power
202
Double Line
202
FUEL SAVER TECHNOLOGY — GASOLINE ENGINE (IF EQUIPPED)
202
CRUISE CONTROL SYSTEMS — IF EQUIPPED
202
Cruise Control — If Equipped
202
To Activate
203
To Set A Desired Speed
203
To Vary The Speed Setting
203
To Accelerate For Passing
204
Using Cruise Control On Hills
204
To Resume Speed
204
To Deactivate
204
Adaptive Cruise Control (ACC) — If Equipped
204
Adaptive Cruise Control (ACC) Operation
206
Adaptive Cruise Control (ACC) Menu
206
Activating Adaptive Cruise Control (ACC)
206
To Activate/Deactivate
207
To Set A Desired ACC Speed
207
To Cancel
208
To Turn Off
208
To Resume
208
To Vary The Speed Setting
209
Setting The Following Distance In ACC
209
Overtake Aid
210
ACC Operation At Stop
210
Display Warnings And Maintenance
211
“Wipe Front Radar Sensor In Front Of Vehicle” Warning
211
“Clean Front Windshield” Warning
212
Service ACC/FCW Warning
212
Precautions While Driving With ACC
212
Towing A Trailer
213
Offset Driving
213
Turns And Bends
213
Using ACC On Hills
213
Lane Changing
214
Narrow Vehicles
214
Stationary Objects And Vehicles
214
PARKSENSE FRONT/REAR PARK ASSIST — IF EQUIPPED
215
ParkSense Sensors
215
ParkSense Warning Display
215
ParkSense Display
215
Enabling And Disabling Front And/Or Rear ParkSense
218
Service The ParkSense Front/ Rear Park Assist System
218
Cleaning The ParkSense System
219
ParkSense System Usage Precautions
219
LANESENSE — IF EQUIPPED
220
LaneSense Operation
220
Turning LaneSense On Or Off
221
LaneSense Warning Message
221
Changing LaneSense Status
222
PARKVIEW REAR BACK UP CAMERA
223
AUX Camera — If Equipped
225
SURROUND VIEW CAMERA SYSTEM — IF EQUIPPED
226
AUX Camera — If Equipped
231
ENGINE RUNAWAY — DIESEL ENGINE
232
REFUELING THE VEHICLE — GASOLINE ENGINE
232
Loose Fuel Filler Cap Message
233
REFUELING THE VEHICLE — DIESEL ENGINE
234
Diesel Exhaust Fluid
234
System Overview
234
Diesel Exhaust Fluid Storage
235
Adding Diesel Exhaust Fluid
235
DEF Fill Procedure
236
VEHICLE LOADING
237
Gross Vehicle Weight Rating (GVWR)
237
Payload
237
Gross Axle Weight Rating (GAWR)
237
Tire Size
237
Rim Size
238
Inflation Pressure
238
Curb Weight
238
Loading
238
TRAILER TOWING
238
Common Towing Definitions
238
Gross Vehicle Weight Rating (GVWR)
238
Gross Trailer Weight (GTW)
238
Gross Combination Weight Rating (GCWR)
239
Gross Axle Weight Rating (GAWR)
239
Tongue Weight (TW)
239
Trailer Frontal Area
239
Trailer Sway Control (TSC)
239
Weight-Carrying Hitch
239
Weight-Distributing Hitch
239
Recommended Distribution Hitch Adjustment
240
Fifth-Wheel Hitch
241
Gooseneck Hitch
242
Trailer Hitch Type and Maximum Trailer Weight
242
Trailer Towing Weights (Maximum Trailer Weight Ratings)
243
Trailer And Tongue Weight
243
Towing Requirements
243
Towing Requirements — Tires
244
Towing Requirements — Trailer Brakes
244
Integrated Trailer Brake Module — If Equipped
245
Towing Requirements — Trailer Lights And Wiring
247
Towing Tips
249
Automatic Transmission
249
Tow/Haul Mode
249
Cruise Control — If Equipped
249
Air Suspension System
249
SNOWPLOW
250
Before Plowing
250
Snowplow Prep Package Model Availability
250
Over The Road Operation With Snowplow Attached
251
Operating Tips
251
General Maintenance
251
RECREATIONAL TOWING (BEHIND MOTORHOME)
252
Towing This Vehicle Behind Another Vehicle
252
Recreational Towing — Two-Wheel Drive Models
252
Recreational Towing — Four-Wheel Drive Models
253
Shifting Into (N) NEUTRAL
254
Shifting Out Of (N) NEUTRAL
255
DRIVING TIPS
256
Driving On Slippery Surfaces
256
Acceleration
256
Driving Through Water
256
Flowing/Rising Water
256
Shallow Standing Water
256
Off-Road Driving Tips
257
After Driving Off-Road
258
MULTIMEDIA
259
UCONNECT SYSTEMS
259
CYBERSECURITY
259
UCONNECT SETTINGS
260
Customer Programmable Features
261
Language
262
Display
262
Units
264
Voice
264
Clock
265
Camera
265
Safety/Driving Assistance
266
Mirrors & Wipers
268
Brakes
269
Lights
269
Doors & Locks
270
Power Side Steps
271
Seats & Comfort/Auto-On Comfort Systems
272
Key Off Options/Engine Off Options
272
Suspension/Air Suspension
273
AUX Switches — If Equipped
274
Trailer Brake/Trailer
275
Audio
275
Phone/Bluetooth®
276
SiriusXM® Setup
277
Reset/Restore Settings To Default
277
UCONNECT INTRODUCTION
278
System Overview
278
Safety And General Information
280
Safety Guidelines
280
Safe Usage Of The Uconnect System
280
Care And Maintenance
280
UCONNECT MODES
281
Steering Wheel Audio Controls
281
Radio Operation
281
Media Mode
281
Radio Mode
281
Radio Controls
281
Radio Voice Commands
283
SiriusXM® Satellite Radio Mode — If Equipped
283
Replay
285
Favorites
286
Browse In SXM
286
Setting Presets
287
Audio Settings
288
Media Mode
289
Operating Media Mode
289
Audio Source Selection
289
Types of Media Modes
290
USB Mode
290
Bluetooth® Mode
290
AUX Mode
290
Media Voice Commands
292
Phone Mode
292
Overview
292
Phone Operation
293
Operation
293
Natural Speech
294
Help Command
294
Cancel Command
294
Pair (Link) Uconnect Phone To A Mobile Phone
294
Connecting To A Particular Mobile Phone Or Audio Device After Pairing
296
Disconnecting or Deleting A Phone Or Audio Device
296
Making A Phone Or Audio Device A Favorite
297
Phonebook Download (Automatic Phonebook Transfer From Mobile Phone) — If Equipped
297
Managing Your Favorites — If Equipped
297
To Remove A Favorite — If Equipped
298
Phone Call Features
298
Call Controls
298
Key Pad Number Entry
299
Recent Calls — If Equipped
299
Answer Or Ignore An Incoming Call — No Call Currently In Progress
299
Answer Or Ignore An Incoming Call — Call Currently In Progress
299
Do Not Disturb
299
Place/Retrieve A Call From Hold
300
Making A Second Call While Current Call Is In Progress
300
Toggling Between Calls
300
Join Calls
300
Call Termination
300
Redial
300
Call Continuation
301
Advanced Phone Connectivity
301
Transfer Call To And From Mobile Phone
301
Things You Should Know About Uconnect Phone
301
Voice Command
301
Bluetooth® Communication Link
303
Power-Up
303
RADIO OPERATION AND MOBILE PHONES
303
Regulatory And Safety Information
303
OFF-ROAD PAGES — IF EQUIPPED
304
Off-Road Pages Status Bar
304
Vehicle Dynamics
305
Accessory Gauge
305
Pitch & Roll
306
Forward Facing Camera
306
SAFETY
307
SAFETY FEATURES
307
Anti-Lock Brake System (ABS)
307
Anti-Lock Brake System (ABS) Warning Light
308
Electronic Brake Control (EBC) System
308
Brake Assist System (BAS)
308
Brake System Warning Light
308
Electronic Brake Force Distribution (EBD)
309
Electronic Roll Mitigation (ERM)
309
Electronic Stability Control (ESC)
309
ESC Operating Modes
310
ESC Activation/Malfunction Indicator Light And ESC OFF Indicator Light
311
Hill Descent Control (HDC) — If Equipped
312
Hill Start Assist (HSA)
313
Disabling And Enabling HSA
314
Towing With HSA
314
Traction Control System (TCS)
315
Trailer Sway Control (TSC)
315
AUXILIARY DRIVING SYSTEMS
315
Blind Spot Monitoring (BSM) — If Equipped
315
Rear Cross Path (RCP)
318
Blind Spot Modes
319
Trailer Merge Assist
319
Forward Collision Warning (FCW) With Mitigation — If Equipped
322
Turning FCW On or Off
323
FCW Braking Status And Sensitivity
323
FCW Limited Warning
324
Service FCW Warning
324
Tire Pressure Monitoring System (TPMS)
324
Tire Pressure Monitoring System Low Pressure Warnings
326
Service TPMS Warning
327
Trailer Tire Pressure Monitoring System (TTPMS) — If Equipped
328
Tire Fill Alert
330
Selectable Tire Fill Alert (STFA)
331
Tire Pressure Information System (TPIS) 3500 Series Trucks
331
OCCUPANT RESTRAINT SYSTEMS
332
Occupant Restraint Systems Features
332
Important Safety Precautions
332
Seat Belt Systems
333
Enhanced Seat Belt Use Reminder System (BeltAlert)
333
Lap/Shoulder Belts
334
Lap/Shoulder Belt Operating Instructions
336
Lap/Shoulder Belt Untwisting Procedure
337
Adjustable Upper Shoulder Belt Anchorage
337
First Row Center Seat Belt Operating Instructions (Regular Cab Only)
338
First Row Center Lap Belt Operating Instructions — If Equipped
339
Seat Belt Extender
339
Seat Belts And Pregnant Women
340
Seat Belt Pretensioner
340
Energy Management Feature
341
Switchable Automatic Locking Retractors (ALR) — If Equipped
341
Supplemental Restraint Systems (SRS)
342
Air Bag System Components
342
Air Bag Warning Light
343
Redundant Air Bag Warning Light
343
Front Air Bags
344
Driver And Passenger Front Air Bag Features
344
Front Air Bag Operation
345
Knee Impact Bolsters
346
Supplemental Side Air Bags
346
Air Bag System Components
348
If A Deployment Occurs
349
Enhanced Accident Response System
350
Enhanced Accident Response System Reset Procedure
350
Maintaining Your Air Bag System
351
Event Data Recorder (EDR)
351
Child Restraints
352
Summary Of Recommendations For Restraining Children In Vehicles
353
Infant And Child Restraints
353
Older Children And Child Restraints
354
Children Too Large For Booster Seats
355
Recommendations For Attaching Child Restraints
355
Lower Anchors And Tethers For CHildren (LATCH) Restraint System
356
LATCH Positions For Installing Child Restraints In This Vehicle
356
Locating The LATCH Anchorages
359
Locating The Upper Tether Anchorages
359
Center Seat LATCH
360
To Install A LATCH-Compatible Child Restraint
360
How To Stow An Unused Switchable-ALR (ALR) Seat Belt:
361
Installing Child Restraints Using The Vehicle Seat Belt
361
Lap/Shoulder Belt Systems For Installing Child Restraints In This Vehicle
362
Installing A Child Restraint With A Switchable Automatic Locking Retractor (ALR):
363
Installing A Child Restraint With A Cinching Latch Plate (CINCH) — If Equipped:
364
Installing Child Restraints Using The Top Tether Anchorage
365
SAFETY TIPS
369
Transporting Passengers
369
Transporting Pets
369
Safety Checks You Should Make Inside The Vehicle
369
Seat Belts
369
Air Bag Warning Light
369
Defroster
369
Floor Mat Safety Information
369
Periodic Safety Checks You Should Make Outside The Vehicle
370
Tires
370
Lights
371
Door Latches
371
Fluid Leaks
371
Exhaust Gas
371
Carbon Monoxide Warnings
371
IN CASE OF EMERGENCY
372
HAZARD WARNING FLASHERS
372
ASSIST AND SOS SYSTEM — IF EQUIPPED
373
JACKING AND TIRE CHANGING
376
Preparations For Jacking
377
Jack Location
377
Removal Of Jack And Tools
377
Removing The Spare Tire
379
Jacking Instructions
380
To Stow The Flat Or Spare
383
Reinstalling The Jack And Tools
385
Hub Caps/Wheel Covers — If Equipped
385
JUMP STARTING
386
Preparations For Jump Start
387
Jump Starting Procedure
388
GEAR SELECTOR OVERRIDE — 6–SPEED TRANSMISSION
389
MANUAL PARK RELEASE — 8 – SPEED TRANSMISSION
390
IF YOUR ENGINE OVERHEATS
391
FREEING A STUCK VEHICLE
391
TOWING A DISABLED VEHICLE
392
Two-Wheel Drive Models
394
Four-Wheel Drive Models
394
Emergency Tow Hooks — If Equipped
394
ENHANCED ACCIDENT RESPONSE SYSTEM (EARS)
395
EVENT DATA RECORDER (EDR)
395
SERVICING AND MAINTENANCE
396
SCHEDULED SERVICING — GASOLINE ENGINE
396
Maintenance Plan — Gasoline Engine
397
SCHEDULED SERVICING— DIESEL ENGINE
400
Oil Change Indicator System — Cummins® Diesel
400
Perform Service Indicator — Cummins® Diesel
401
Maintenance Plan — Cummins® Diesel Engine
402
ENGINE COMPARTMENT
406
6.4L Engine
406
6.7L Diesel Engine — Six-Speed 68RFE
407
6.7L Diesel Engine — Six-Speed AS69RC HD
408
Checking Oil Level
409
Adding Washer Fluid
409
Maintenance-Free Battery
409
Pressure Washing
410
VEHICLE MAINTENANCE
410
Engine Oil
410
Engine Oil Selection — Gasoline Engine
410
Engine Oil Selection — Diesel Engine
411
American Petroleum Institute (API) Engine Oil Identification Symbol
411
Synthetic Engine Oils
411
Materials Added To Engine Oil
411
Disposing Of Used Engine Oil And Oil Filters
411
Engine Oil Filter
411
Engine Air Cleaner Filter
412
Engine Air Cleaner Filter Inspection And Replacement — Gasoline Engine
412
Engine Air Cleaner Filter Inspection and Replacement — Diesel Engine
413
Air Conditioner Maintenance
414
Refrigerant Recovery And Recycling — R-134a — (If Equipped)
414
Refrigerant Recovery And Recycling — R-1234yf — (If Equipped)
414
Cabin Air Filter Replacement
414
Accessory Drive Belt Inspection
416
Draining Fuel/Water Separator Filter — Diesel Engine
417
Engine Mounted Fuel Filter Replacement — Diesel Engine
418
Underbody Mounted Fuel Filter Replacement — Diesel Engine
419
Priming If The Engine Has Run Out Of Fuel — Diesel Engine
420
Intervention Regeneration Strategy — Message Process Flow
421
Diesel Exhaust Fluid
422
Body Lubrication
422
Windshield Wiper Blades
422
Wiper Blade Removal/Installation
423
Exhaust System
424
Cooling System
426
Engine Coolant Checks
426
Cooling System — Drain, Flush And Refill
426
Selection Of Coolant
426
Adding Coolant
427
Cooling System Pressure Cap
427
Disposal Of Used Coolant
428
Checking Coolant Level — 6.4L Engine
428
Cooling System Notes
428
Charge Air Cooler — Inter-Cooler
429
Brake System
429
Fluid Level Check — Brake Master Cylinder
429
Automatic Transmission
430
Special Additives
430
Fluid Level Check — Eight-Speed Transmission
430
Fluid Level Check — Six-Speed Transmission
430
Fluid And Filter Changes — Eight-Speed Transmission
432
Fluid And Filter Changes — Six Speed Transmission
432
Selection Of Lubricant
432
Rear Axle And 4x4 Front Driving Axle Fluid Level
432
Drain And Refill
432
Lubricant Selection
432
Transfer Case
433
Fluid Level Check
433
Drain And Refill
433
Selection Of Lubricant
433
Noise Control System Required Maintenance & Warranty
433
Required Maintenance For Noise Control Systems
433
Tampering With Noise Control System Prohibited
434
Noise Emission Warranty
434
FUSES
436
General Information
436
Power Distribution Center
437
BULB REPLACEMENT
444
Replacement Bulbs
444
Replacing Exterior Bulbs
446
Base Quad: Low Beam Headlamp, High Beam Headlamp, Front Park And Turn — If Equipped
446
Fog Lamps — If Equipped
448
Rear Tail/Stop, Turn Signal And Backup Lamps
448
Center High Mounted Stop Lamp (CHMSL) With Cargo Lamp
449
Cab Top Clearance Lamps — If Equipped
449
Rear Lamp Bar ID Marker (Dual Rear Wheels) — If Equipped
450
Side Marker Lamps (Dual Rear Wheels) — If Equipped
450
TIRES
451
Tire Safety Information
451
Tire Markings
451
Tire Sizing Chart
451
Tire Identification Number (TIN)
453
Tire Terminology And Definitions
454
Tire Loading And Tire Pressure
455
Loading
455
Tires — General Information
457
Tire Pressure
457
Tire Inflation Pressures
457
Tire Pressures For High Speed Operation
458
Radial Ply Tires
458
Run Flat Tires — If Equipped
459
Tire Spinning
459
Tread Wear Indicators
459
Life Of Tire
459
Replacement Tires
460
Tire Types
461
All Season Tires — If Equipped
461
Summer Or Three Season Tires — If Equipped
461
Snow Tires
461
Spare Tires — If Equipped
462
Spare Tire Matching Original Equipped Tire And Wheel — If Equipped
462
Compact Spare Tire — If Equipped
462
Collapsible Spare Tire — If Equipped
462
Full Size Spare — If Equipped
463
Limited Use Spare — If Equipped
463
Wheel And Wheel Trim Care
463
Snow Traction Devices
465
Tire Rotation Recommendations
467
Dual Rear Wheels — If Equipped
468
DEPARTMENT OF TRANSPORTATION UNIFORM TIRE QUALITY GRADES
468
Treadwear
469
Traction Grades
469
Temperature Grades
469
STORING THE VEHICLE
469
BODYWORK
470
Protection From Atmospheric Agents
470
What Causes Corrosion?
470
Body And Underbody Maintenance
470
Cleaning Headlights
470
Tri-Fold Soft Tonneau Cover Care — If Equipped
470
Preserving The Bodywork
470
Washing
470
Fascia/Bumper Care
471
Special Care
471
Spray-On Bedliner – If Equipped
472
INTERIORS
472
Seats And Fabric Parts
472
Stain Repel Fabric Cleaning Procedure — If Equipped
472
Seat Belt Maintenance
473
Plastic And Coated Parts
473
Cleaning Plastic Instrument Cluster Lenses
473
Leather Surfaces
473
Glass Surfaces
474
TECHNICAL SPECIFICATIONS
475
VEHICLE IDENTIFICATION NUMBER (VIN)
475
BRAKE SYSTEM
475
Hydraulic Brake Assist — If Equipped
475
WHEEL AND TIRE TORQUE SPECIFICATIONS
476
Torque Specifications
476
FUEL REQUIREMENTS — GASOLINE ENGINE
477
6.4L Engine
477
Reformulated Gasoline
477
Materials Added To Fuel
477
Gasoline/Oxygenate Blends
477
Do Not Use E-85 In Non-Flex Fuel Vehicles
478
CNG And LP Fuel System Modifications
478
Methylcyclopentadienyl Manganese Tricarbonyl (MMT) In Gasoline
478
Fuel System Cautions
478
FUEL REQUIREMENTS – DIESEL ENGINE
479
Fuel Specifications
479
Biodiesel Fuel Requirements
480
Pickup Models And Chassis Cab Models Ordered With B20 Option
480
Fuel Quality — Must Comply With ASTM Standards
480
Fuel Oxidation Stability — Must Use Fuel Within Six Months Of Manufacture
480
Fuel Water Separation — Must Use Mopar®/Cummins® Approved Fuel Filter Elements
480
Bio-Diesel Fuel Properties — Low Ambient Temperatures
481
Fuel In Oil Dilution — Must Adhere To Required Oil Change Interval
481
FLUID CAPACITIES
482
ENGINE FLUIDS AND LUBRICANTS
483
CHASSIS FLUIDS AND LUBRICANTS
487
CUSTOMER ASSISTANCE
489
SUGGESTIONS FOR OBTAINING SERVICE FOR YOUR VEHICLE
489
Prepare For The Appointment
489
Prepare A List
489
Be Reasonable With Requests
489
IF YOU NEED ASSISTANCE
489
FCA US LLC Customer Center
489
FCA Canada Inc. Customer Center
490
Mexico
490
Puerto Rico And US Virgin Islands
490
Customer Assistance For The Hearing Or Speech Impaired (TDD/TTY)
490
Service Contract
490
WARRANTY INFORMATION
491
MOPAR® PARTS
491
REPORTING SAFETY DEFECTS
491
In The 50 United States And Washington, D.C.
491
In Canada
491
PUBLICATION ORDER FORMS
491
General Information
492
INDEX
493
2021 RAM 2500 3500 Overview
Introduction
The 2021 RAM 2500 and 3500 stand tall as class leaders in the heavy-duty truck segment, promising unrivaled capability and comfort. Designed for drivers who demand performance and luxury, these models combine robust engineering with exceptional features, making them perfect for both work and leisure. With a striking exterior and a beautifully crafted interior, these trucks exude rugged sophistication.
Powertrains
The 2021 RAM 2500 and 3500 offer an impressive range of powertrains to suit every need. The standard 6.4-liter HEMI V8 engine delivers a robust 410 horsepower and 429 lb-ft of torque, perfect for handling demanding tasks. For those seeking maximum towing capacity, the available 6.7-liter Cummins turbocharged inline-six diesel engine generates an astounding 370 horsepower and up to 850 lb-ft of torque, ensuring the ability to tow heavy loads with ease. Both engines are paired with a smooth-shifting eight-speed automatic transmission, offering seamless gear changes and enhanced efficiency.
Trims
Available in multiple trims — including the Tradesman, Big Horn, Laramie, Limited Longhorn, and Limited — the RAM 2500 and 3500 cater to a wide array of preferences and needs. Each trim offers unique features, from the practical and functional design of the Tradesman to the luxurious appointments of the Limited, featuring leather upholstery, advanced technology, and premium sound systems.
Features
The 2021 RAM 2500 and 3500 are packed with innovative features aimed at enhancing comfort and utility. Highlights include a user-friendly Uconnect infotainment system with touchscreen technology, smartphone integration, and navigation options. Advanced safety features, such as adaptive cruise control, blind-spot monitoring, and forward collision warning, provide drivers with added peace of mind while on the road.
Owner's Manual
The owner's manual for the 2021 RAM 2500 and 3500 provides comprehensive information on vehicle operation, maintenance schedules, and troubleshooting tips. This essential guide ensures that owners can maximize the longevity and performance of their trucks while enjoying a seamless driving experience.
User manual download
The RAM 2500 3500 owner manual for the 2021 model year is to be found in PDF downloadable format on this page. The owner manual for the model year 2021 is free and in English, but the repair manuals are usually not easy to get and may cost more.
Posted by, John Mana
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